What should I do if the foam caulking agent cannot be applied?

polyurethanefoam caulk is a commonly used inarchitectural decorationthe glue of the field. it is shaped like foam and has the function of filling gaps very well. foam caulking agent may cause some problems. faced with these problems, what should we do? for examplepolyurethane foam caulking font> cannot be typed, what should i do? the author…